Dual stage unit – Premium & professional grade option for people needing stability and precision – especially in tanks with livestock or high pant demand

A precision-engineered dual-stage CO₂ regulator by Wyin Aqua—featuring a digital timer, solenoid, and modular outputs for multi-tank setups. Built for stable, safe CO₂ injection and future expandability.

Key Features:

• Dual-stage design prevents end-of-tank CO₂ dumps for maximum livestock safety

• Digital timer with integrated solenoid for automated CO₂ scheduling

• Quick-plug bubble counter for easy connection to 4/6mm tubing

• Precision needle valve for fine bubble rate control

• Dual pressure gauges to monitor both cylinder and working pressure

• Modular design supports expansion for multi-tank CO₂ delivery (add-on manifolds sold separately)

• Robust aluminium and brass build for long-term reliability

• Fits standard W21.8-threaded CO₂ cylinders

What’s Included:

• Wyin Aqua dual-stage CO₂ regulator with solenoid

• Quick-plug bubble counter (single output)

• Programmable digital timer controller

• AU/NZ compatible power adapter

Note: Additional manifold extensions must be purchased separately for multi-tank CO₂ injection.